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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Abby Stemper

Bib: 13586 •F •Age: N/A

AK

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 22%
Gender (Female)
#0 / 12578
Top 6%
Age Group (F18-39)
#0 / 5716
Top 12%
Race Day Weather
51°/41°F
overcast clouds
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  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
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Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
21:33
3.11 mi
Rank: #8055
Start → 5K
21:33 | 6:57/mi
10K
42:46
6.21 mi
Rank: #7692 (+363)
5K → 10K
21:13 | 6:50/mi
15K
1:04:00
9.32 mi
Rank: #7521 (+171)
10K → 15K
21:14 | 6:51/mi
20K
1:25:23
12.43 mi
Rank: #7321 (+200)
15K → 20K
21:23 | 6:53/mi
HALF
1:29:59
13.11 mi
Rank: #7287 (+34)
20K → HALF
4:36 | 6:45/mi
25K
1:46:43
15.53 mi
Rank: #7138 (+149)
HALF → 25K
16:44 | 6:54/mi
30K
2:08:04
18.64 mi
Rank: #6700 (+438)
25K → 30K
21:21 | 6:53/mi
20M
2:17:28
20.00 mi
Rank: #6534 (+166)
30K → 20M
9:24 | 6:56/mi
21M
2:24:48
21.00 mi
Rank: #6446 (+88)
20M → 21M
7:20 | 7:20/mi
35K
2:29:57
21.75 mi
Rank: #6421 (+25)
21M → 35K
5:09 | 6:54/mi
23M
2:38:55
23.00 mi
Rank: #6402 (+19)
35K → 23M
8:58 | 7:10/mi
24M
2:45:52
24.00 mi
Rank: #6360 (+42)
23M → 24M
6:57 | 6:57/mi
40K
2:52:07
24.85 mi
Rank: #6361 (-1)
24M → 40K
6:15 | 7:19/mi
25.2M
2:54:53
25.20 mi
Rank: #6379 (-18)
40K → 25.2M
2:46 | 8:02/mi
FINISH
3:02:28
26.22 mi
Rank: #6462 (-83)
25.2M → FINISH
7:35 | 7:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:59
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:32:29
Pace7:04 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4121:336:5721:33
6:57
-
10K
6.21 mi11:11:5442:466:5321:13
6:50
-0:07
15K
9.32 mi11:33:081:04:006:5221:14
6:51
+0:01
20K
12.43 mi11:54:311:25:236:5321:23
6:53
+0:02
HALF
13.11 mi11:59:071:29:596:524:36
6:45
-0:08
25K
15.53 mi12:15:511:46:436:5316:44
6:54
+0:09
30K
18.64 mi12:37:122:08:046:5321:21
6:53
-0:01
20M
20.00 mi12:46:362:17:286:539:24
6:56
+0:03
21M
21.00 mi12:53:562:24:486:547:20
7:20
+0:24
35K
21.75 mi12:59:052:29:576:545:09
6:54
-0:26
23M
23.00 mi13:08:032:38:556:558:58
7:10
+0:16
24M
24.00 mi13:15:002:45:526:556:57
6:57
-0:13
40K
24.85 mi13:21:152:52:076:566:15
7:19
+0:22
25.2M
25.20 mi13:24:012:54:536:572:46
8:02
+0:43
FINISH
26.22 mi13:31:363:02:286:587:35
7:27
-0:35

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:45 /mi

Average Pace

6:58 /mi

Slowest Pace

8:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:52:07

94% of race

Time at Steady Pace

7:35

4% of race

Time at Slower Pace

2:46

2% of race

Average Pace: 6:58 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:50:4121:336:5721:33
6:57
#8055
10K
6.21 mi11:11:5442:466:5321:13
6:50
#7692
15K
9.32 mi11:33:081:04:006:5221:14
6:51
#7521
20K
12.43 mi11:54:311:25:236:5321:23
6:53
#7321
HALF
13.11 mi11:59:071:29:596:524:36
6:45
#7287
25K
15.53 mi12:15:511:46:436:5316:44
6:54
#7138
30K
18.64 mi12:37:122:08:046:5321:21
6:53
#6700
20M
20.00 mi12:46:362:17:286:539:24
6:56
#6534
21M
21.00 mi12:53:562:24:486:547:20
7:20
#6446
35K
21.75 mi12:59:052:29:576:545:09
6:54
#6421
23M
23.00 mi13:08:032:38:556:558:58
7:10
#6402
24M
24.00 mi13:15:002:45:526:556:57
6:57
#6360
40K
24.85 mi13:21:152:52:076:566:15
7:19
#6361
25.2M
25.20 mi13:24:012:54:536:572:46
8:02
#6379
FINISH
26.22 mi13:31:363:02:286:587:35
7:27
#6462
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8055109710977172(Top 25%)853(Top 7%)853(Top 15%)
10K6.21 mi3.10 mi7692+363989+108989+1087286(Top 25%)868(Top 7%)868(Top 15%)
15K9.32 mi3.11 mi7521+171931+58931+587172(Top 25%)853(Top 7%)853(Top 15%)
20K12.43 mi3.11 mi7321+200897+34897+346969(Top 24%)821(Top 7%)821(Top 14%)
HALF13.11 mi0.68 mi7287+34884+13884+136711(Top 23%)738(Top 6%)738(Top 13%)
25K15.53 mi2.42 mi7138+149841+43841+436716(Top 23%)798(Top 6%)798(Top 14%)
30K18.64 mi3.11 mi6700+438739+102739+1024946(Top 17%)464(Top 4%)464(Top 8%)
20M20.00 mi1.36 mi6534+166717+22717+225014(Top 17%)521(Top 4%)521(Top 9%)
21M21.00 mi1.00 mi6446+88700+17700+175497(Top 19%)706(Top 6%)706(Top 12%)
35K21.75 mi0.75 mi6421+25701-1701-16325(Top 22%)919(Top 7%)919(Top 16%)
23M23.00 mi1.25 mi6402+19708-7708-76561(Top 23%)1071(Top 9%)1071(Top 19%)
24M24.00 mi1.00 mi6360+427087086156(Top 21%)1001(Top 8%)1001(Top 18%)
40K24.85 mi0.85 mi6361-1722-14722-147525(Top 26%)1585(Top 13%)1585(Top 28%)
25.2M25.20 mi0.35 mi6379-18730-8730-88505(Top 29%)2080(Top 17%)2080(Top 36%)
FINISH26.22 mi1.02 mi6462-83772-42772-4210973(Top 38%)3326(Top 26%)3326(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21
+97ft-345ft

Overall

7172

Females

853

F18-39

853

5K→10K

3.1 - 6.2 mi

Top 25%
×5
+79ft-138ft

Overall

7286

Females

868

F18-39

868

10K→15K

6.2 - 9.3 mi

Top 25%
×3
+67ft-78ft

Overall

7172

Females

853

F18-39

853

15K→20K

9.3 - 12.4 mi

Top 24%
×5
+106ft-86ft

Overall

6969

Females

821

F18-39

821

20K→HALF

12.4 - 13.1 mi

Top 23%
×2
+19ft-37ft

Overall

6711

Females

738

F18-39

738

HALF→25K

13.1 - 15.5 mi

Top 23%
×4
+66ft-88ft

Overall

6716

Females

798

F18-39

798

25K→30K

15.5 - 18.6 mi

Top 17%
×9
+181ft-148ft

Overall

4946

Females

464

F18-39

464

30K→20M

18.6 - 20.0 mi

Top 17%
×5
+64ft-50ft

Overall

5014

Females

521

F18-39

521

20M→21M

20.0 - 21.0 mi

Top 19%
×8
+106ft-24ft

Overall

5497

Females

706

F18-39

706

21M→35K

21.0 - 21.8 mi

Top 22%
×7
+17ft-86ft

Overall

6325

Females

919

F18-39

919

35K→23M

21.8 - 23.0 mi

Top 23%
×5
+23ft-63ft

Overall

6561

Females

1071

F18-39

1071

23M→24M

23.0 - 24.0 mi

Top 21%
×6
+12ft-82ft

Overall

6156

Females

1001

F18-39

1001

24M→40K

24.0 - 24.9 mi

Top 26%
×1
+6ft-20ft

Overall

7525

Females

1585

F18-39

1585

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1
+13ft-16ft

Overall

8505

Females

2080

F18-39

2080

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

10973

Females

3326

F18-39

3326

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2187*
Passed By
594
Net Change
+1593
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8055
5K → 10K439*76+363#8055#7692
10K → 15K230*59+171#7692#7521
15K → 20K245*45+200#7521#7321
20K → HALF4814+34#7321#7287
HALF → 25K18839+149#7287#7138
25K → 30K447*9+438#7138#6700
30K → 20M17610+166#6700#6534
20M → 21M10921+88#6534#6446
21M → 35K5833+25#6446#6421
35K → 23M8263+19#6421#6402
23M → 24M7230+42#6402#6360
24M → 40K5253-1#6360#6361
40K → 25.2M1634-18#6361#6379
25.2M → FINISH25108-83#6379#6462
TOTALS2187*594+1593

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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